(2) Fan blade spacers and fan dovetails slots (Ref. TASK 72-21-00-210-007).
5. Close-up
________
Subtask 72-21-00-640-052
A. Apply MoS2 dry film lubricant (Material No. CP5062) or molykote G rapid (Material No. CP2104):
- the fan disk dovetail slots,
- the blade spacers,
- the blade dovetails,
- the blade midspan shrouds, before the re-installion of the blades. Lubricant should be applied liberally to all dovetail and slot pressure faces. Brush application is preferred. Allow the lubricant to dry to a dull opaque finish before installation of blades in disk slots.
Subtask 72-21-00-420-085
B. Install fan blades (Ref. TASK 72-21-00-400-007).
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Fan Blade, Blade Spacer and Disk Areas to Be Inspected after Cleaning for
Removal of Lubricant from Pressure Faces
Figure 611/TASK 72-21-00-991-335
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Subtask 72-21-00-942-080
C. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Remove the warning notice(s).
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FAN AND BOOSTER ASSEMBLY - REPAIRS
__________________________________ TASK 72-21-00-300-001 Replacement of the Crimped Self-Locking Nuts on the Spinner Rear Cone
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
72-21-00-000-005 Removal of the Spinner Front Cone 72-21-00-000-006 Removal of the Spinner Rear Cone 72-21-00-400-005 Installation of the Spinner Front Cone 72-21-00-400-006 Installation of the Spinner Rear Cone SPM 704251350018
3. Job Set-up
__________ Subtask 72-21-00-941-071
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
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(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
(4) Put an access platform in position.
4. Procedure
_________ Subtask 72-21-00-020-067
A. Removal of the defective cimpred Nut(s).
(1) Remove the spinner front cone (Ref. TASK 72-21-00-000-005)
(2) If necessary, remove the spinner rear cone (Ref. TASK 72-21-00-000-006)
(3) Remove the defective crimped self-locking nut(s) from the spinner rear cone. (Ref. SPM 704251350018)
Subtask 72-21-00-420-070
B. Crimping of the New Self-Locking Nuts. CAUTION : BE CAREFUL NOT TO CAUSE DAMAGE TO THE SURFACE PROTECTION AROUND
_______
THE NUTS DURING NUT INSTALLATION.
(1) Crimp the new self-locking nut(s). (Ref. SPM 704251350018) NOTE : No radial or end play is permitted in the installation of the
____
crimped self-locking nuts type B.
(2) Install the spinner front cone. (Ref. TASK 72-21-00-400-005)
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